<template>
    <div class="components-container">
        <aside>
            <a href="https://github.com/PanJiaChen/vue-countTo" target="_blank">countTo-component</a>
        </aside>
        <count-to ref="example" :start-val="_startVal" :end-val="_endVal" :duration="_duration" :decimals="_decimals"
            :separator="_separator" :prefix="_prefix" :suffix="_suffix" :autoplay="false" class="example" />
        <div style="margin-left: 25%;margin-top: 40px;">
            <label class="label" for="startValInput">起始值:
                <input v-model.number="setStartVal" type="number" name="startValInput">
            </label>
            <label class="label" for="endValInput">结束值:
                <input v-model.number="setEndVal" type="number" name="endVaInput">
            </label>
            <label class="label" for="durationInput">持续时间:
                <input v-model.number="setDuration" type="number" name="durationInput">
            </label>
            <div class="startBtn example-btn" @click="start">
                开始
            </div>
            <div class="pause-resume-btn example-btn" @click="pauseResume">
                暂停/恢复
            </div>
            <br>
            <label class="label" for="decimalsInput">小数:
                <input v-model.number="setDecimals" type="number" name="decimalsInput">
            </label>
            <label class="label" for="separatorInput">分隔符:
                <input v-model="setSeparator" name="separatorInput">
            </label>
            <label class="label" for="prefixInput">前缀:
                <input v-model="setPrefix" name="prefixInput">
            </label>
            <label class="label" for="suffixInput">后缀:
                <input v-model="setSuffix" name="suffixInput">
            </label>
        </div>
        <aside>&lt;count-to :start-val=&#x27;{{ _startVal }}&#x27; :end-val=&#x27;{{ _endVal }}&#x27; :duration=&#x27;{{ _duration }}&#x27;
            :decimals=&#x27;{{ _decimals }}&#x27; :separator=&#x27;{{ _separator }}&#x27; :prefix=&#x27;{{ _prefix }}&#x27;
            :suffix=&#x27;{{ _suffix }}&#x27;
            :autoplay=false&gt;</aside>
    </div>
</template>

<script>
import countTo from 'vue-count-to'

export default {
    name: 'CountToDemo',
    components: { countTo },
    data () {
        return {
            setStartVal: 0,
            setEndVal: 2017,
            setDuration: 4000,
            setDecimals: 0,
            setSeparator: ',',
            setSuffix: ' rmb',
            setPrefix: '¥ '
        }
    },
    computed: {
        _startVal () {
            if (this.setStartVal) {
                return this.setStartVal
            } else {
                return 0
            }
        },
        _endVal () {
            if (this.setEndVal) {
                return this.setEndVal
            } else {
                return 0
            }
        },
        _duration () {
            if (this.setDuration) {
                return this.setDuration
            } else {
                return 100
            }
        },
        _decimals () {
            if (this.setDecimals) {
                if (this.setDecimals < 0 || this.setDecimals > 20) {
                    alert('digits argument must be between 0 and 20')
                    return 0
                }
                return this.setDecimals
            } else {
                return 0
            }
        },
        _separator () {
            return this.setSeparator
        },
        _suffix () {
            return this.setSuffix
        },
        _prefix () {
            return this.setPrefix
        }
    },
    methods: {
        start () {
            this.$refs.example.start()
        },
        pauseResume () {
            this.$refs.example.pauseResume()
        }
    }
}
</script>

<style scoped>
.example-btn {
    display: inline-block;
    margin-bottom: 0;
    font-weight: 500;
    text-align: center;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none;
    border: 1px solid transparent;
    white-space: nowrap;
    line-height: 1.5;
    padding: 4px 15px;
    font-size: 12px;
    border-radius: 4px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    position: relative;
    color: rgba(0, 0, 0, 0.65);
    background-color: #fff;
    border-color: #d9d9d9;
}

.example-btn:hover {
    color: #4ab7bd;
    background-color: #fff;
    border-color: #4ab7bd;
}
.example {
    font-size: 50px;
    color: #f6416c;
    display: block;
    margin: 10px 0;
    text-align: center;
    font-size: 80px;
    font-weight: 500;
}

.label {
    color: #2f4f4f;
    font-size: 16px;
    display: inline-block;
    margin: 15px 30px 15px 0;
}

input {
    position: relative;
    display: inline-block;
    padding: 4px 7px;
    width: 70px;
    height: 28px;
    cursor: text;
    font-size: 12px;
    line-height: 1.5;
    color: rgba(0, 0, 0, 0.65);
    background-color: #fff;
    background-image: none;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
}

.startBtn {
    margin-left: 20px;
    font-size: 20px;
    color: #30b08f;
    background-color: #fff;
}

.startBtn:hover {
    background-color: #30b08f;
    color: #fff;
    border-color: #30b08f;
}

.pause-resume-btn {
    font-size: 20px;
    color: #e65d6e;
    background-color: #fff;
}

.pause-resume-btn:hover {
    background-color: #e65d6e;
    color: #fff;
    border-color: #e65d6e;
}
</style>

